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KA2003-BE51A
Printheads
For Mobile, FET-POS, Debit Card, PDA, ECR 2.7V Print Voltage (B Series)
KA2003-BE51A
Not only hand-held printers, but card payment terminals (EFT-POS) and compact label printers require less than 8.5V of supply voltage. ROHM's B Series of thermal printheads, developed using cutting-edge LSI technology, can operate on a single lithium ion battery and contribute to end-product miniaturization. Applications Mobile printers EFT-POS printers Hand-held printers Debit printers
Features 1) The B series brings reduced height of protective resin for IC and enlarged paper pathway for thermal papers. Thanks to ROHM's latest LSI high integrated mounting technology and it's ultra slim driver IC. 2) The B series accede the great world class low energy consumption characteristics of GP series. Dimensions (Unit : mm)
80 72 (Effective Print Width)
Exposed Conductor Side
Insert Direction Connector
Rev.A
1/4
KA2003-BE51A
Printheads
Equivalent circuit
DOT#576
DOT #1
VH
L-GND
#513 #576
#449 #512
#385 #448
#321 #384
#257 #320
#193 #256
#129 #192
#65 #128
#1 #64
P-GND STB5 STB4 STB3 STB2 STB1 /AEO2 /AEO1 /LAT
LATCH REGISTER
DI CLK DO VDD NC TM TM
CONNECTOR
SHIFT REGISTER
30k B3950K
Pin assignments
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Circuit VH VH VH DO /LAT CLK VDD STB1 STB2 STB3 TM TM P-GND P-GND No. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Circuit P-GND P-GND P-GND L-GND /AEO1 /AEO2 STB4 STB5 N.C. N.C. DI VH VH VH
Rev.A
2/4
KA2003-BE51A
Printheads
Timing chart
tw CLK
CLK (CLOCK)
t setup DI t hold DI
DI(DATA IN)
"High":BLACK "LOW" :WHITE td DO
DO (DATA OUT)
"High":BLACK "LOW" :WHITE t setup LAT t hold LAT
Min.10s
/LAT (LATCH)
"High": HOLD "LOW" : THROUGH tw LAT t setup STB
STB (STROBE)
/AEO (AREA ENABLE OUT)
t do t do
DRIVER OUT
*If delay time for Driver Out can not be secured enough, there is a possibility that VH would fluctuate greatly. Please design the circuit so that VH does not exceed peak voltage (Vp).
Characteristics
Parameter Effective printing width Dot pitch Total dot number Average resistance value Applied voltage Applied power Print cycle Pulse width Maximum number of dots energized simultaneously Maximum clock frequency Maximum roller diameter Running life / pulse life Operating temperature Symbol - - - Rave VH PO SLT TON - - - - - Typical 72 0.125 576 176 7.2 0.24 1.25 0.55 64 8 14 50/1x108 5 to 45 Unit mm mm dots V W/dot ms ms dots MHz mm km/pulses C
Rev.A
3/4
KA2003-BE51A
Printheads
Electrical characteristic curves
0.8 Paper : KF50-HDA (OJI) 0.7
OPTICAL DENSITY
1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 1 2 3 4 5 0.0 0.00 0.05 0.10 0.15 0.20 0.25 0.30
ENERGY (mJ/dot)
0.8
SLT : 2.50ms/line
0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5
0.6
ENERGY (mJ/dot)
0.5 0.4 0.3 0.2 0.1 0 0
SCANNING LINE TIME (ms/line)
ENERGY (mJ/dot)
SCANNING LINE TIME (ms/line)
Fig.1 Adaptive speed chart
Fig.2 Representative density curve
Fig.3 Maximum energy curve
180 160 140
RESISTANCE : (k)
120 100 80 60 40 20 0 -20 -10 0 10 20 30 40 50 60 70
TEMPERATURE : (C)
Fig.4 Thermistor curve
Rev.A
4/4
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM cannot be held responsible for any damages arising from the use of the products under conditions out of the range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact your nearest sales office.
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Appendix1-Rev2.0

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